在使用ArcGIS Runtime Java SDK进行开发时，遇到以下错误信息：
Initializing...
Java version : 11.0.26 (Oracle Corporation) x86_64
Exception in thread "main" java.lang.ExceptionInInitializerError
at com.esri.arcgisruntime.geometry.SpatialReference.<init>(SpatialReference.java:151)
at com.esri.arcgisruntime.geometry.SpatialReference.create(SpatialReference.java:88)
at org.example.shp_ram.demo.MemoryShapefileParserWithVFS.<clinit>(MemoryShapefileParserWithVFS.java:29)
Caused by: java.lang.RuntimeException: Could not find runtime in any of:
- A directory specified by calling ArcGISRuntimeEnvironment.setInstallDirectory()
- The current directory /Users/carter/Desktop/firm/gis_study
- A location specified by the environment variable ARCGISRUNTIMESDKJAVA_100_15_0
- Within the ".arcgis" directory in the user's home path /Users/carter/.arcgis
at com.esri.arcgisruntime.ArcGISRuntimeEnvironment.lambda$getInstallDirectory$0(ArcGISRuntimeEnvironment.java:285)
at java.base/java.util.Optional.orElseThrow(Optional.java:408)
at com.esri.arcgisruntime.ArcGISRuntimeEnvironment.getInstallDirectory(ArcGISRuntimeEnvironment.java:281)
at com.esri.arcgisruntime.ArcGISRuntimeEnvironment.loadNativeLibraries(ArcGISRuntimeEnvironment.java:795)
at com.esri.arcgisruntime.ArcGISRuntimeEnvironment.initialize(ArcGISRuntimeEnvironment.java:221)
at com.esri.arcgisruntime.internal.jni.CoreSpatialReference.<clinit>(CoreSpatialReference.java:41)
... 3 more报错图片：
这个错误的核心问题是：系统找不到ArcGIS Runtime的本地库文件。
1.问题根源分析
(1)ArcGIS Runtime Java SDK由两部分组成：
(2)Java API - 纯Java代码，通过Maven依赖引入
本地库文件 - 平台相关的本地动态库（Windows的dll、Linux的so、macOS的dylib）
错误提示表明系统在以下位置都找不到本地库文件：
通过代码设置的安装目录
当前工作目录
环境变量指定的目录
用户home目录下的.arcgis文件夹
2.解决方案
在项目目录下执行以下命令
mvn dependency:unpack